Finding the Third Proportional to 49,879.13 and 72,960.75

Step by Step Solution

1. Step 1: Write the proportion equation
   49,879.13 : 72,960.75 = 72,960.75 : x
2. Step 2: Convert to fraction form
   49,879.13/72,960.75 = 72,960.75/x
3. Step 3: Cross multiply
   49,879.13x = 72,960.75 × 72,960.75
4. Step 4: Simplify right side
   49,879.13x = 5,323,271,040.56
5. Step 5: Solve for x
   x = 5,323,271,040.56/49,879.13
6. Step 6: Final answer
   x = 106,723.42